Global Patent Index - EP 4066277 B1

EP 4066277 B1 20231101 - METHOD FOR MANUFACTURING A POWER MODULE UNIT

Title (en)

METHOD FOR MANUFACTURING A POWER MODULE UNIT

Title (de)

VERFAHREN ZUR HERSTELLUNG EINER LEISTUNGSMODULEINHEIT

Title (fr)

PROCÉDÉ DE FABRICATION D'UNE UNITÉ DE MODULE DE PUISSANCE

Publication

EP 4066277 B1 20231101 (DE)

Application

EP 21701918 A 20210114

Priority

  • EP 20160146 A 20200228
  • EP 2021050622 W 20210114

Abstract (en)

[origin: WO2021170308A1] The invention relates to a method for producing a power module unit (4). According to the invention, in order to improve a cooling of the power module unit (4), cooling ribs (6) are positioned in recesses (10) of a, in particular metal, frame (8), wherein a first metal material (14) is applied to the cooling ribs (6) and the frame (8) by means of a thermal spraying process, wherein an integral connection is formed between the cooling ribs (6) and the frame (8) by the applied first metal material (14).

IPC 8 full level

H01L 21/48 (2006.01); H01L 23/367 (2006.01); H01L 23/373 (2006.01); H05K 7/20 (2006.01)

CPC (source: EP US)

B21D 53/02 (2013.01 - US); H01L 21/4878 (2013.01 - US); H01L 21/4882 (2013.01 - EP US); H01L 23/3672 (2013.01 - EP US); B23D 53/02 (2013.01 - US); B23P 15/26 (2013.01 - US); F28F 3/02 (2013.01 - US); H01L 23/3735 (2013.01 - EP); H05K 7/2039 (2013.01 - US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3872845 A1 20210901; CN 115191025 A 20221014; CN 115191025 B 20240409; EP 4066277 A1 20221005; EP 4066277 B1 20231101; US 11915990 B2 20240227; US 2023131848 A1 20230427; WO 2021170308 A1 20210902

DOCDB simple family (application)

EP 20160146 A 20200228; CN 202180017501 A 20210114; EP 2021050622 W 20210114; EP 21701918 A 20210114; US 202117802396 A 20210114